This first week you will establish a base of knowledge regarding lifespan development. The major issues in development are as follows:Using the Capella library locate a scholarly resource (journal article or book chapter) that is specific to one of the major issues in development. (See the second study in Unit 1 Development Issues Article Search for helpful links to these topics.) Clearly describe both sides of the controversy. Evaluate the credibility of the resource using an appropriate combination of these possible methods:Allen D. B. & Allen D. W. (1996). 2+2 equals better performance: Alternative performance appraisal with feedback and encouragement. Unpublished manuscript University of Denver Colorado; Old Dominion University Norfolk Virginia.